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Indicia bearing anodized aluminum articles

  • US RE28,506 E
  • Filed: 10/15/1974
  • Issued: 08/05/1975
  • Est. Priority Date: 12/07/1971
  • Status: Expired
First Claim
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1. A LAMINATED ARTICLE BEARING AN IMAGE BURIED WITHIN AT LEAST ONE LAMINA OF SAID ARTICLE AND COMPRISING:

  • AT LEAST ONE CLEAR SUPPORTING PANEL MEMBER, AT LEAST ONE TRANSPARENT POROUS LAYER CONSISTING OF ALUMINUM OXIDE AT LEAST SOME OF THE PORES OF WHICH CONTAIN AN OPAQUE MATERIAL DISTRIBUTED IN SAID PORES SO AS TO DEFINE AN IMAGE, AND A CLEAR ADHESIVE DISPOSED BETWEEN SAID PANEL AND SAID POROUS LAYER AND BONDING SAID PANEL TO SAID POROUS LAYER.

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